Huygens, Christiaan, Christiani Hugenii opera varia; Bd. 2: Opera geometrica. Opera astronomica. Varia de optica

Table of figures

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[161] Fig. 42.* 19. Maii.
[162] Fig. 43.* 17. Dec.
[163] Fig. 44.* 18. Dec.
[164] Fig. 45.* 27. Dec.
[165] Fig. 46.* 11. Mart 1658.
[166] Fig. 47.* 16. Mart.
[167] Fig. 48.* 23. Mart.
[168] Fig. 49.* 3. Apr.
[169] Fig. 50.* 10. Nov.
[170] Fig. 51.* 16. Ian. 1659.
[171] Fig. 52.12. Febr. *
[172] Fig. 53.* 24. Febr.
[173] Fig. 54.25. Febr. *
[174] Fig. 55.14. Mart. *
[175] Fig. 56.16. Mart. *
[176] Fig. 57.* 21. Mart.
[177] Fig. 58.* 22. Mart.
[178] Fig. 59.26. Mart. *
[179] Pag. 574.TAB. XLIX.Fig. 2.
[180] Fig. 1.C K O B H N G M S * F D A L E
[181] Fig. 3.E C D A * B
[182] Fig. 4.P Q O N M L * C R
[183] Fig. 5.C * V S X T Y
[184] Fig. 6.
[185] Fig. 7.
[186] Pag. 580.TAB. L.Fig. 2.R ♈ L D I T A N ♋ H G E P F K C Q O B M S
[187] Fig. 3.
[188] Fig. 4.N Q F C P L E A M H O D f
[189] Fig. 1.B A
[Figure 190]
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              <pb o="443" file="0161" n="170" rhead="ET HYPERBOLÆ QUADRATURA."/>
            G H, nempe X; </s>
            <s xml:id="echoid-s3624" xml:space="preserve">atque ex hujus 7 terminatio ſeriei A B,
              <lb/>
            G H, nempe X, æqualis eſt minori duarum mediarum arith-
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            meticè continuè proportionalium inter A & </s>
            <s xml:id="echoid-s3625" xml:space="preserve">B, & </s>
            <s xml:id="echoid-s3626" xml:space="preserve">ideo Z ea-
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            dem minor eſt, quod demonſtrare oportuit.</s>
            <s xml:id="echoid-s3627" xml:space="preserve"/>
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        <div xml:id="echoid-div197" type="section" level="1" n="95">
          <head xml:id="echoid-head131" xml:space="preserve">PROP. XXV. THEOREMA.</head>
          <p>
            <s xml:id="echoid-s3628" xml:space="preserve">Iisdem poſitis; </s>
            <s xml:id="echoid-s3629" xml:space="preserve">dico Z ſeu ſectorem
              <lb/>
              <note position="right" xlink:label="note-0161-01" xlink:href="note-0161-01a" xml:space="preserve">
                <lb/>
              A B # A B
                <lb/>
              C D # G H
                <lb/>
              E F # M N
                <lb/>
              K L # O P
                <lb/>
              Z # X
                <lb/>
              </note>
            hyperbolæ minorem eſſe quam mi-
              <lb/>
            nor duarum mediarum geometricè con-
              <lb/>
            tinuè proportionalium inter A & </s>
            <s xml:id="echoid-s3630" xml:space="preserve">B.
              <lb/>
            </s>
            <s xml:id="echoid-s3631" xml:space="preserve">Inter A & </s>
            <s xml:id="echoid-s3632" xml:space="preserve">B ſit media geometrica G,
              <lb/>
            & </s>
            <s xml:id="echoid-s3633" xml:space="preserve">inter G & </s>
            <s xml:id="echoid-s3634" xml:space="preserve">B media geometrica H; </s>
            <s xml:id="echoid-s3635" xml:space="preserve">
              <lb/>
            Item inter G & </s>
            <s xml:id="echoid-s3636" xml:space="preserve">H media geometrica M, & </s>
            <s xml:id="echoid-s3637" xml:space="preserve">inter M & </s>
            <s xml:id="echoid-s3638" xml:space="preserve">H media
              <lb/>
            geometriea N; </s>
            <s xml:id="echoid-s3639" xml:space="preserve">continueturque hæc ſeries convergens AB, GH,
              <lb/>
            MN, OP, &</s>
            <s xml:id="echoid-s3640" xml:space="preserve">c. </s>
            <s xml:id="echoid-s3641" xml:space="preserve">in infinitum ut fiat ejus terminatio X. </s>
            <s xml:id="echoid-s3642" xml:space="preserve">ſatis patet
              <lb/>
            ex prædictis C & </s>
            <s xml:id="echoid-s3643" xml:space="preserve">G eſſe inter ſe æquales, & </s>
            <s xml:id="echoid-s3644" xml:space="preserve">H majorem eſſe
              <lb/>
            quam D; </s>
            <s xml:id="echoid-s3645" xml:space="preserve">atque ob hanc rationem M media geometrica inter G
              <lb/>
            & </s>
            <s xml:id="echoid-s3646" xml:space="preserve">H major eſt quam E media geometrica inter C & </s>
            <s xml:id="echoid-s3647" xml:space="preserve">D. </s>
            <s xml:id="echoid-s3648" xml:space="preserve">Deinde
              <lb/>
            N media geometrica inter M & </s>
            <s xml:id="echoid-s3649" xml:space="preserve">H major eſt media harmonica
              <lb/>
            inter eaſdem; </s>
            <s xml:id="echoid-s3650" xml:space="preserve">& </s>
            <s xml:id="echoid-s3651" xml:space="preserve">quoniam M major eſt quam E & </s>
            <s xml:id="echoid-s3652" xml:space="preserve">H quam D, erit
              <lb/>
            media harmonica inter M & </s>
            <s xml:id="echoid-s3653" xml:space="preserve">H major quam F media harmo-
              <lb/>
            nica inter E & </s>
            <s xml:id="echoid-s3654" xml:space="preserve">D; </s>
            <s xml:id="echoid-s3655" xml:space="preserve">proinde N media geometrica inter M & </s>
            <s xml:id="echoid-s3656" xml:space="preserve">H
              <lb/>
            major eritquam F. </s>
            <s xml:id="echoid-s3657" xml:space="preserve">eadem methodo utramque ſeriem in in-
              <lb/>
            finitum continuando, ſemper demonſtratur terminum quem-
              <lb/>
            libet ſeriei A B, C D, minorem eſſe quam idem numero ter-
              <lb/>
            minus ſeriei A B, G H; </s>
            <s xml:id="echoid-s3658" xml:space="preserve">& </s>
            <s xml:id="echoid-s3659" xml:space="preserve">igitur terminatio ſeriei A B, C D,
              <lb/>
            nempe Z minor erit quam terminatio ſeriei A B, G H, nem-
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            pe X; </s>
            <s xml:id="echoid-s3660" xml:space="preserve">atque ex hujus 9 terminatio ſeriei A B, G H, ſeu X, æqua-
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            lis eſt minori duarum mediarum geometricè continuè propor-
              <lb/>
            tionalium inter A & </s>
            <s xml:id="echoid-s3661" xml:space="preserve">B; </s>
            <s xml:id="echoid-s3662" xml:space="preserve">& </s>
            <s xml:id="echoid-s3663" xml:space="preserve">ideo Z eadem minor eſt, quod
              <lb/>
            demonſtrare oportuit.</s>
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            <s xml:id="echoid-s3665" xml:space="preserve">Ex dictis manifeſtum eſt hanc approximationem exactio-
              <lb/>
            rem eſſe illa, in antecedenti propoſitione, demonſtrata, et-
              <lb/>
            iamſi hæc ſit paulò laborioſior. </s>
            <s xml:id="echoid-s3666" xml:space="preserve">ſed non diſſimulandum
              <lb/>
            eſt duas poſſe eſſe ſeries æquales terminationes habentes, </s>
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